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Correspondence 0001213900-26-037177 from VivoSim Labs, INC. (VIVS)

VivoSim Labs, INC.
Date: March 31, 2026 · CIK: 0001497253 · Accession: 0001213900-26-037177

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File numbers found in text: 333-294716

Date
March 31, 2026
Author
By
Form
CORRESP
Company
VivoSim Labs, INC.

Letter

VivoSim Labs, Inc. 11555 Sorrento Valley Road, Suite 100

San Diego, CA 92121

March 31, 2026

VIA EDGAR

Securities and Exchange Commission

100 F Street, NE

Washington, D.C. 20549-0406

Attention: Tim Buchmiller

Re: VivoSim Labs, Inc.

Registration Statement on Form S-1, as amended

Initially Filed on March 27, 2026

Registration No. 333-294716

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, VivoSim Labs, Inc. (the " Company ") hereby respectfully requests that the effectiveness of the Registration Statement on Form S-1 (Registration No. 333-294716) of the Company, filed with the Securities and Exchange Commission on March 27, 2026 and amended on March 31, 2026 (the " Registration Statement "), be accelerated so that the Registration Statement shall become effective at 4:00 p.m. (Eastern Time) on March 31, 2026, or as soon as possible thereafter.

The Company hereby confirms that it is aware of its responsibilities under the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended, as they relate to the proposed offering of the securities specified in the Registration Statement.

It would be appreciated if, promptly after the Registration Statement has become effective, you would so inform our outside counsel, Samantha Eldredge of Paul Hastings LLP, by telephone at (650) 320-1838 or by email at samanthaeldredge@paulhastings.com. The Company hereby authorizes Ms. Eldredge to orally modify or withdraw this request for acceleration.

Sincerely,
VIVOSIM LABS, INC.

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CORRESP
 1
 filename1.htm

 VivoSim Labs, Inc.
11555 Sorrento Valley Road, Suite 100

 San Diego, CA 92121

 March 31, 2026

 VIA EDGAR

 Securities and Exchange Commission

 100 F Street, NE

 Washington, D.C. 20549-0406

 Attention: Tim Buchmiller

 Re: VivoSim Labs, Inc.

 Registration Statement on Form S-1, as
amended

 Initially Filed on March 27, 2026

 Registration No. 333-294716

 Ladies and Gentlemen:

 Pursuant to Rule 461
under the Securities Act of 1933, as amended, VivoSim Labs, Inc. (the " Company ") hereby respectfully requests
that the effectiveness of the Registration Statement on Form S-1 (Registration No. 333-294716) of the Company, filed with the Securities
and Exchange Commission on March 27, 2026 and amended on March 31, 2026 (the " Registration Statement "), be accelerated
so that the Registration Statement shall become effective at 4:00 p.m. (Eastern Time) on March 31, 2026, or as soon as possible thereafter.

 The Company hereby confirms
that it is aware of its responsibilities under the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended,
as they relate to the proposed offering of the securities specified in the Registration Statement.

 It would be appreciated if,
promptly after the Registration Statement has become effective, you would so inform our outside counsel, Samantha Eldredge of Paul Hastings
LLP, by telephone at (650) 320-1838 or by email at samanthaeldredge@paulhastings.com. The Company hereby authorizes Ms. Eldredge to orally
modify or withdraw this request for acceleration.

 Sincerely,

 VIVOSIM LABS, INC.

 By:
 /s/ Keith Murphy

 Name:
 Keith Murphy

 Title:
 Executive Chairman

 cc: Samantha H. Eldredge, Esq. (Paul Hastings LLP)